Aaron Rodgers won't be representing the Green Bay Packers at next week's Pro Bowl in Hawaii.  Rodgers failed his post-season exit physical.  He told his radio show in Milwaukee he received and injection in his knee on Tuesday and his ankle has "definately been a problem.:"   The reigning MVP was named the NFC starter at quarterback for the second time after throwing 39 touchdown passes this season.  Clay Matthews and Jeff Saturday will be the Packer players but Mike McCarthy and the entire coaching staff will be on the sidelines coaching the NFC squad.